From: Christian Borntraeger Date: Thu, 6 Jul 2017 18:31:11 +0000 (+0200) Subject: KVM: use rcu access function for irq routing X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=5535f800b0e1533e5f3a1428f6ef25eb29eccc0f;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git KVM: use rcu access function for irq routing irq routing is rcu protected. Use the proper access functions. Found by sparse virt/kvm/irqchip.c:233:13: warning: incorrect type in assignment (different address spaces) virt/kvm/irqchip.c:233:13: expected struct kvm_irq_routing_table *old virt/kvm/irqchip.c:233:13: got struct kvm_irq_routing_table [noderef] *irq_routing Signed-off-by: Christian Borntraeger Reviewed-by: Paolo Bonzini --- diff --git a/virt/kvm/irqchip.c b/virt/kvm/irqchip.c index 31e40c9e81df..b1286c4e0712 100644 --- a/virt/kvm/irqchip.c +++ b/virt/kvm/irqchip.c @@ -230,7 +230,7 @@ int kvm_set_irq_routing(struct kvm *kvm, } mutex_lock(&kvm->irq_lock); - old = kvm->irq_routing; + old = rcu_dereference_protected(kvm->irq_routing, 1); rcu_assign_pointer(kvm->irq_routing, new); kvm_irq_routing_update(kvm); kvm_arch_irq_routing_update(kvm);